CODATA: Montreal  September 30, 2002
International VO initiatives
The Virtual Observatory
•Massive homogeneous survey datasets are being created
–Sloan Digital Sky Survey
–2MASS infared survey
–Canada-France-Hawaii Legacy Survey
•Multi-wavelength survey datasets can be constructed
•Network bandwidth is increasing
•Astronomers have embraced many online services
•Funding agencies are receptive
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New types of science will be possible with new modes of data access